P/Invoke能够在asp.net 中使用哦,是的,今天have some try le. 1 2 3using System; 4using System.Collections; 5using System.ComponentModel; 6using System.Data; 7using System.Drawing; 8using System.Web; 9using System.Web.SessionState; 10using System.Web.UI; 11using System.Web.UI.WebControls; 12using System.Web.UI.HtmlControls; 13 14using System.Runtime.InteropServices; 15using System.Windows.Forms; 16 17namespace Test_MyService 18{ 19 /**//// <summary> 20 /// WebForm1 的摘要说明。 21 /// </summary> 22 public class WebForm1 : System.Web.UI.Page 23 { 24 protected System.Web.UI.WebControls.TextBox TextBox1; 25 protected System.Web.UI.WebControls.Label Label1; 26 protected System.Web.UI.WebControls.Button Button1; 27 protected System.Web.UI.WebControls.TextBox TextBox2; 28 protected System.Web.UI.WebControls.TextBox txtQ; 29 protected System.Web.UI.WebControls.TextBox txtD; 30 31 localhost.ServiceTest myservice = new Test_MyService.localhost.ServiceTest(); 32 33 private void Page_Load(object sender, System.EventArgs e) 34 { 35 // 在此处放置用户代码以初始化页面 36 37 } 38 39 [DllImport("user32.dll", CharSet=CharSet.Ansi)] 40 public static extern int MessageBox(int h, string m, 41 string c, int type); 42 43 [DllImport("user32.dll", CharSet=CharSet.Ansi)] 44 public static extern Boolean MessageBeep(UInt32 beepType); 45 46 [DllImport("Kernel32.dll", SetLastError=true)] 47 static extern Boolean Beep(UInt32 frequency, UInt32 duration); 48 49 50 Web 窗体设计器生成的代码#region Web 窗体设计器生成的代码 51 override protected void OnInit(EventArgs e) 52 { 53 // 54 // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。 55 // 56 InitializeComponent(); 57 base.OnInit(e); 58 } 59 60 /**//// <summary> 61 /// 设计器支持所需的方法 - 不要使用代码编辑器修改 62 /// 此方法的内容。 63 /// </summary> 64 private void InitializeComponent() 65 { 66 this.Button1.Click += new System.EventHandler(this.Button1_Click); 67 this.Load += new System.EventHandler(this.Page_Load); 68 69 } 70 #endregion 71 72 private void Button1_Click(object sender, System.EventArgs e) 73 { 74 this.TextBox2.Text = myservice.Who(this.TextBox1.Text); 75 76// string pText = "Hello World!"; 77// string pCaption = "PInvoke Test"; 78// MessageBox(0, pText, pCaption, 0); 79 80 //MessageBeep(0x00000010); 81 Beep(Convert.ToUInt32(txtQ.Text),Convert.ToUInt32(txtD.Text)); 82 83 } 84 } 85} 86 其中MessageBox.Show(...)执行时就不动了,内部机理也不名所以,若是能够SHOW的话,那岂不是不用ACTIVEX了吗,一己之见而已了。根据理论是不行的,在。NET3.0(WinFX)可以将Win&Web集成到一起,那时将不分什么了,太恐怖了。
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